Sepúlveda-Rivera, Vanessa, et al. “Preventive Care Screening in the Puerto Rican Geriatric Population: A Formative Evaluation of Patient Knowledge”. Puerto Rico Health Sciences Journal, vol. 36, no. 4, Dec. 2017, pp. 198-04, https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/1516.